@import url("https://fonts.googleapis.com/css?family=Fira+Sans");

body {
    background-color: transparent;
    border-radius: 15px;
    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);
    margin: 0 auto;
    padding: 0;
    margin-top: 15px;
    position: relative;
    width: 350px;
    height: 550px;
    overflow: hidden;
    /* min-height: 100vh; */
    /* display: flex; */
    align-items: center;
    justify-content: center;
    font-family: "Fira Sans", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.form-structor {
    background-color: rgba(34, 34, 34, 0.60);
    border-radius: 15px;
    height: 550px;
    width: 350px;
    position: relative;
    overflow: hidden;
    -webkit-app-region: no-drag;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* .form-structor::after {
    content: "";
    opacity: 0.8;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-repeat: no-repeat;
    background-position: left bottom;
    background-size: 500px;
    background-image: url("https://images.unsplash.com/photo-1503602642458-232111445657?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=bf884ad570b50659c5fa2dc2cfb20ecf&auto=format&fit=crop&w=1000&q=100");
} */

.form-structor .signup {
    position: absolute;
    top: 57%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    width: 65%;
    z-index: 5;
    -webkit-transition: all 0.3s ease;
}

.form-structor .signup.slide-up {
    top: 5%;
    -webkit-transform: translate(-50%, 0%);
    -webkit-transition: all 0.3s ease;
}

.form-structor .signup.slide-up .form-holder,
.form-structor .signup.slide-up .submit-btn {
    opacity: 0;
    visibility: hidden;
}

.form-structor .signup.slide-up .form-title {
    font-size: 1em;
    cursor: pointer;
}

.form-structor .signup.slide-up .form-title span {
    margin-right: 5px;
    opacity: 1;
    visibility: visible;
    -webkit-transition: all 0.3s ease;
}

.form-structor .signup .form-title {
    color: #fff;
    font-size: 1.7em;
    text-align: center;
}

.form-structor .signup .form-title span {
    color: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    -webkit-transition: all 0.3s ease;
}

.form-structor .signup .form-holder {
    border-radius: 15px;
    background-color: #fff;
    overflow: hidden;
    margin-top: 50px;
    opacity: 1;
    visibility: visible;
    -webkit-transition: all 0.3s ease;
}

.form-structor .signup .form-holder .input {
    border: 0;
    outline: none;
    box-shadow: none;
    display: block;
    height: 30px;
    line-height: 30px;
    padding: 8px 15px;
    border-bottom: 1px solid #eee;
    width: 100%;
    font-size: 12px;
}

.form-structor .signup .form-holder .input:last-child {
    border-bottom: 0;
}

.form-structor .signup .form-holder .input::-webkit-input-placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.form-structor .signup .submit-btn {
    background-color: rgb(255, 255, 255);
    color: rgb(0, 0, 0);
    border: 0;
    border-radius: 15px;
    display: block;
    margin: 15px auto;

    padding: 15px 45px;
    width: 100%;
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
    opacity: 1;
    visibility: visible;
    -webkit-transition: all 0.3s ease;
}

/* .form-structor .signup .submit-btn:hover {
    transition: all 0.3s ease;
    background-color: rgba(67, 127, 255, 0.8);
    color: #fff;
} */

.form-structor .login {
    position: absolute;
    top: 20%;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #fff;
    z-index: 5;
    -webkit-transition: all 0.3s ease;
}

.form-structor .login::before {
    content: "";
    position: absolute;
    left: 50%;
    top: -20px;
    -webkit-transform: translate(-50%, 0);
    background-color: #fff;
    width: 200%;
    height: 250px;
    border-radius: 50%;
    z-index: 4;
    -webkit-transition: all 0.3s ease;
}

.form-structor .login .center {
    position: absolute;
    top: calc(50% - 5%);
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    width: 65%;
    z-index: 5;
    -webkit-transition: all 0.3s ease;
}

.form-structor .login .center .form-title {
    color: #000;
    font-size: 1.7em;
    text-align: center;
}

.form-structor .login .center .form-title span {
    color: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    -webkit-transition: all 0.3s ease;
}

.form-structor .login .center .form-holder {
    border-radius: 15px;
    background-color: #fff;
    border: 1px solid #eee;
    overflow: hidden;
    margin-top: 50px;
    opacity: 1;
    visibility: visible;
    -webkit-transition: all 0.3s ease;
}

.form-structor .login .center .form-holder .input {
    border: 0;
    outline: none;
    box-shadow: none;
    display: block;
    height: 30px;
    line-height: 30px;
    padding: 8px 15px;
    border-bottom: 1px solid #eee;
    width: 100%;
    font-size: 12px;
}

.form-structor .login .center .form-holder .input:last-child {
    border-bottom: 0;
}

.form-structor .login .center .form-holder .input::-webkit-input-placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.form-structor .login .center .submit-btn {
    background-color: #6B92A4;
    color: rgba(255, 255, 255, 0.7);
    border: 0;

    border-radius: 15px;
    display: block;
    margin: 15px auto;
    margin-top: 50px;
    padding: 15px 45px;
    width: 100%;
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
    opacity: 1;
    visibility: visible;
    -webkit-transition: all 0.3s ease;
}

.form-structor .login .center .submit-btn:hover {
    transition: all 0.3s ease;
    background-color: rgba(0, 0, 0, 0.8);
}

.form-structor .login.slide-up {
    top: 90%;
    -webkit-transition: all 0.3s ease;
}

.form-structor .login.slide-up .center {
    top: 10%;
    -webkit-transform: translate(-50%, 0%);
    -webkit-transition: all 0.3s ease;
}

.form-structor .login.slide-up .form-holder,
.form-structor .login.slide-up .submit-btn {
    opacity: 0;
    visibility: hidden;
    -webkit-transition: all 0.3s ease;
}

.form-structor .login.slide-up .form-title {
    font-size: 1em;
    margin: 0;
    padding: 0;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
}

.form-structor .login.slide-up .form-title span {
    margin-right: 5px;
    opacity: 1;
    visibility: visible;
    -webkit-transition: all 0.3s ease;
}

nav {
    -webkit-app-region: drag;
    height: 60px;

    width: 100%;
}

nav ul {
    float: right;
    margin-top: 12px;
    margin-right: 11px;
}

nav ul li:first-child {
    width: 20px;
    height: 20px;
    background-color: #1bd1a1;
    border-radius: 10px;
    cursor: pointer;
    display: inline-block;
    -webkit-app-region: no-drag;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

nav ul li:last-child {
    width: 20px;
    height: 20px;
    background-color: #ff6b6b;
    border-radius: 10px;
    margin-left: 2px;
    cursor: pointer;
    display: inline-block;
    -webkit-app-region: no-drag;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.logo_CN {
    margin: 0 auto;
    width: 151px;
    margin-top: 50px;
    /* margin-left: 141px;
margin-top: 124px; */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.logo_EN {
    margin-top: 11px;
    width: 120px;
    margin: 0 auto;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;

}

.logo_CN img {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.logo_EN img {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

#message_box {
    position: absolute;
    top: 0px;
    left: 102px;
    width: 150px;
    height: 25px;
    opacity: 0;
    transition: all 0.6s;
    border-radius: 50px;
    text-align: center;
    color: #fff;
    font-size: 14px;
    font-weight: bold;
    line-height: 25px;
    z-index: 999;
}

.message_success {
    background-color: #20c997;
}

.message_error {
    background-color: #ff6b6b;

}

.message_warning {
    background-color: #ff922b;

}

.message_info {
    background-color: #dee2e6;

}


.cube {
    z-index: 9999;
    font-size: 24px;
    height: 2em;
    width: 2em;
    position: absolute;
    transform: rotatex(30deg) rotatey(45deg);
    transform-style: preserve-3d;
    animation: cube-spin 1.5s infinite ease-in-out alternate;
    top: 242px;
    left: 155px;
}

.side {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    transform-style: preserve-3d;
}

.side::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #FFF;
    transform: translatez(0.5em);
    animation: cube-explode 1.5s infinite ease-in-out;
    opacity: 0.5;
}

.side:nth-child(1) {
    transform: rotatey(90deg);
}

.side:nth-child(2) {
    transform: rotatey(180deg);
}

.side:nth-child(3) {
    transform: rotatey(270deg);
}

.side:nth-child(4) {
    transform: rotatey(360deg);
}

.side:nth-child(5) {
    transform: rotatex(90deg);
}

.side:nth-child(6) {
    transform: rotatex(270deg);
}

@keyframes cube-spin {
    0% {
        transform: rotatex(30deg) rotatey(45deg);
    }
    100% {
        transform: rotatex(30deg) rotatey(405deg);
    }
}

@keyframes cube-explode {
    0% {
        transform: translatez(1em);
    }
    50% {
        transform: translatez(1.5em);
    }
    100% {
        transform: translatez(1em);
    }
}
/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
    background-color: transparent;
  }
  
  /*定义滚动条轨道 内阴影+圆角*/
  ::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.0);
    border-radius: 10px;
    background-color: transparent;
  }
  
  /*定义滑块 内阴影+圆角*/
  ::-webkit-scrollbar-thumb {
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.0);
    background-color: #868e96;
  }
#loading {
    position: absolute;
    width: 350px;
    height: 550px;
    top: 0;
    left: 0;
    display: none;
    background-color: rgba(6, 6, 6, 0.88);
    border-radius: 15px;
    z-index: 9998;
}
.form-structor{
    display: block;
}
.tow{
    background-color: rgba(34, 34, 34, 0.60);;
    border-radius: 15px;
    height: 550px;
    width: 350px;
    position: absolute;
    text-align: center;
    display: none;
    -webkit-app-region: no-drag;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}
.tow .retrieval{
    height: 350px;
    width: 300px;
    padding: 10px 10px;
    overflow: scroll;
    overflow-x: hidden;
    margin: 0 auto;
    padding-top:2px;
    padding-bottom: 20px;
    display: block;
}
.tow textarea{
    width: 86%;
    margin: 0 auto;
    border-radius: 6px;
    font-size: 12px;
    background-color: #228be6;
    border-color: #3394e8;
    background-color: rgba(42, 130, 206, 0.72);
    padding: 10px 10px;
    color: #fff;
    /* font-weight: bold; */
    letter-spacing: 2px;
    line-height: 18px;
    resize: none;
    
}

.tow .retrieval .item{
    position: relative;
    width: 250px;
    margin: 0 auto;
    background-color: rgba(26, 199, 148, 0.76);
    border-radius: 6px;
    padding: 10px 10px;
    color: #FFF;
    margin-top: 10px;
    text-align: left;
    font-size: 12px;
    user-select: text;
}
/* .tow .retrieval .item span{
    display: block;
    position: absolute;
    top: -7px;
    right: -13px;
    background-color: #e64980;
    width: 30px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    border-radius: 30px;
} */
.search{
    display: none;
    position: relative;
    height: 340px;
    width: 350px;
}
.search p{
    vertical-align:middle;
    color: #FFF;
    background-color: rgba(250, 82, 82, 0.64);
    border-radius: 50px;
    line-height: 32px;
}

.search .title{
    position: absolute;
    text-align: center;
    width: 67%;
    left: 59px;
    top: 38px;

}
.search .button_search{
    background-color: rgb(255, 255, 255);
    color: rgb(0, 0, 0);
    border: 0;
    border-radius: 15px;
    display: block;
    margin: 15px auto;

    padding: 15px 45px;
    width: 100%;
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
    opacity: 1;
    visibility: visible;
    -webkit-transition: all 0.3s ease;
}
.search #tosearch{
    position: absolute;
    height: 40px;
    width: 40px;
    margin: 0 auto;
    background-color: #1f8fff;
    border-radius: 30px;
    box-shadow: 0px 0px 11px 3px #9aa1bb;
    padding: 10px 10px;
    bottom: 30px;
    left: 151px;
    cursor: pointer;
    transition: all 0.3s;
}
.search #tosearch:hover{
    box-shadow: 0px 0px 11px 3px #717171;
    background-color: #4aa0f7;
}
.tow #back{
    position: absolute;
    height: 30px;
    width: 30px;
    margin: 0 auto;
    background-color: #495057;
    border-radius: 45px;
    /* box-shadow: 0px 0px 4px 0px #9aa1bb; */
    padding: 10px 10px;
    bottom: -13px;
    right: -20px;
    cursor: pointer;
    transition: all 0.3s;
}
.tow #back:hover{
    box-shadow: 0px 0px 4px 0px #000000;
    background-color: #adb5bd;

}
.tow #back img{
    display: block;
    position: absolute;
    top: 11px;
    left: 15px;
}
.tow #re_search{
    position: absolute;
    height: 15px;
    width: 15px;
    margin: 0 auto;
    background-color: #228be6;
    border-radius: 25px;
    box-shadow: 0px 0px 3px 1px #228be6;
    padding: 10px 10px;
    top: 111px;
    right: 5px;
    cursor: pointer;
    transition: all 0.3s;
}
.tow #re_search:hover{
    box-shadow: 0px 0px 4px 0px #2069a9;
    background-color: #2069a9;
}
.tow #re_search img{
    display: block;
    position: absolute;
    top: 9px;
    left: 10px;
}
#towsearch{
    display: block;
    position: absolute;
    height: 30px;
    width: 30px;
    margin: 0 auto;
    background-color: #1f8fff;
    border-radius: 45px;
    box-shadow: 0px 0px 4px 0px #9aa1bb;
    padding: 10px 10px;
    bottom: 44px;
    right: -20px;
    cursor: pointer;
    transition: all 0.3s;
}
#towsearch:hover{
    background-color: #1b79d8;
}